[deliverable/linux.git] / include / asm-powerpc / synch.h

#ifndef _ASM_POWERPC_SYNCH_H 
#define _ASM_POWERPC_SYNCH_H 
#ifdef __KERNEL__

#include <linux/stringify.h>

#ifdef __powerpc64__
#define __SUBARCH_HAS_LWSYNC
#endif

#ifdef __SUBARCH_HAS_LWSYNC
#    define LWSYNC	lwsync
#else
#    define LWSYNC	sync
#endif

#ifdef CONFIG_SMP
#define ISYNC_ON_SMP	"\n\tisync\n"
#define LWSYNC_ON_SMP	__stringify(LWSYNC) "\n"
#else
#define ISYNC_ON_SMP
#define LWSYNC_ON_SMP
#endif

static inline void eieio(void)
{
	__asm__ __volatile__ ("eieio" : : : "memory");
}

static inline void isync(void)
{
	__asm__ __volatile__ ("isync" : : : "memory");
}

#endif /* __KERNEL__ */
#endif	/* _ASM_POWERPC_SYNCH_H */
Commit	Line	Data
feaf7cf1 BB	1	#ifndef _ASM_POWERPC_SYNCH_H
feaf7cf1 BB	2	#define _ASM_POWERPC_SYNCH_H
88ced031	3	#ifdef __KERNEL__
feaf7cf1	4
144b9c13 AB	5	#include <linux/stringify.h>
144b9c13 AB	6
feaf7cf1 BB	7	#ifdef __powerpc64__
	8	#define __SUBARCH_HAS_LWSYNC
	9	#endif
	10
	11	#ifdef __SUBARCH_HAS_LWSYNC
	12	# define LWSYNC lwsync
	13	#else
	14	# define LWSYNC sync
	15	#endif
	16
feaf7cf1	17	#ifdef CONFIG_SMP
4f629d7d	18	#define ISYNC_ON_SMP "\n\tisync\n"
144b9c13	19	#define LWSYNC_ON_SMP __stringify(LWSYNC) "\n"
feaf7cf1	20	#else
feaf7cf1	21	#define ISYNC_ON_SMP
144b9c13	22	#define LWSYNC_ON_SMP
feaf7cf1 BB	23	#endif
	24
	25	static inline void eieio(void)
	26	{
	27	__asm__ __volatile__ ("eieio" : : : "memory");
	28	}
	29
	30	static inline void isync(void)
	31	{
	32	__asm__ __volatile__ ("isync" : : : "memory");
	33	}
	34
88ced031	35	#endif /* __KERNEL__ */
feaf7cf1	36	#endif /* _ASM_POWERPC_SYNCH_H */